Tesla Motors

Credit: AFP/Getty Images

Tesla Motors Chairman and CEO Elon Musk answers questions about the new Tesla Model S all-electric sedan (L), at the car's unveiling in Hawthorne, California on March 26, 2009. Musk said the state-of-the-art, five-seat sedan will be the world's first mass-produced, highway-capable electric car. The car has an anticipated base price of 57,400 US dollars but will cost less than 50,000 after a federal tax credit of 7,500 dollars. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)